generated from alecodes/base-template
54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package synchronizator
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type PlatformClass interface {
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// How to transform the struct into a node. It needs to return the class,
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// name and a []byte representation of the metadata.
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//
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// - name: A user friendly name
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// - metadata: Arbitrary data. This will be stored as a jsonb in the database
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//
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ToNode() (string, []byte, error)
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// How to transform a node into the struct. This method should modify the
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// struct directly as it receives a pointer.
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//
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// - name: A user friendly name
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// - metadata: Arbitrary data. This is stored as a jsonb in the database
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FromNode(string, []byte) error
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}
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// Utility struct to represent a collection of nodes, it's a [Node] itself so all
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// the node's functionality is available.
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type Platform struct {
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Node // Underlaying node info
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collections []*Collection // Child nodes
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}
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type Fetcher = func(conn *DB, pagination Pagination) ([]*Collection, Pagination, error)
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type Pagination struct {
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Total int
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HasMore bool
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Limit int
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Offset int
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}
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var StartPagination = Pagination{
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Total: 0,
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HasMore: false,
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Limit: 10,
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Offset: 0,
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}
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func (platform *Platform) FetchCollections(fetcher Fetcher, start_pagination Pagination) error {
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collections, pagination, err := fetcher(platform._conn, start_pagination)
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if err != nil {
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return err
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}
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platform.collections = collections
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if pagination.HasMore {
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return platform.FetchCollections(fetcher, pagination)
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}
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return nil
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}
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